28559223

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 56221440

約数和(自身を除く): 27662217

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 81, 99, 133, 171, 189, 209, 231, 241, 297, 399, 513, 567, 627, 693, 723, 891, 1197, 1463, 1539, 1687, 1881, 2079, 2169, 2651, 3591, 4389, 4579, 5061, 5643, 6237, 6507, 7953, 10773, 13167, 13737, 15183, 16929, 18557, 19521, 23859, 32053, 39501, 41211, 45549, 50369, 55671, 71577, 96159, 118503, 123633, 136647, 151107, 167013, 214731, 288477, 352583, 370899, 453321, 501039, 865431, 1057749, 1359963, 1503117, 2596293, 3173247, 4079889, 9519741, 28559223]

約数ペア:

[(1, 28559223), (3, 9519741), (7, 4079889), (9, 3173247), (11, 2596293), (19, 1503117), (21, 1359963), (27, 1057749), (33, 865431), (57, 501039), (63, 453321), (77, 370899), (81, 352583), (99, 288477), (133, 214731), (171, 167013), (189, 151107), (209, 136647), (231, 123633), (241, 118503), (297, 96159), (399, 71577), (513, 55671), (567, 50369), (627, 45549), (693, 41211), (723, 39501), (891, 32053), (1197, 23859), (1463, 19521), (1539, 18557), (1687, 16929), (1881, 15183), (2079, 13737), (2169, 13167), (2651, 10773), (3591, 7953), (4389, 6507), (4579, 6237), (5061, 5643)]